package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.alibaba.fastjson.JSON;
import com.itheima.constant.MessageConstant;
import com.itheima.constant.RedisMessageConstant;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.service.MemberService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import redis.clients.jedis.JedisPool;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletResponse;
import java.util.Date;
import java.util.Map;

/*
    登录操作
 */
@RestController
@RequestMapping("/member")
public class MemberController {
    @Autowired
    private JedisPool jedisPool;

    @Reference
    private MemberService memberService;

    @RequestMapping("/login")
    public Result login(HttpServletResponse response, @RequestBody Map map) {
        //从页面上获取输入的手机号
        String telephone = (String) map.get("telephone");
        //从页面获取输入的验证码
        String validateCode = (String) map.get("validateCode");
        //从Redis中获取缓存的验证码
        String validateCodeInRedis = jedisPool.getResource().get(telephone + RedisMessageConstant.SENDTYPE_LOGIN);
        //判断验证码是否输入正确
        if (validateCode != null && validateCodeInRedis != null && validateCode.equals(validateCodeInRedis)) {
            //验证码输入正确
            //根据手机号查询该用户是否为会员
            Member member = memberService.findByTelephone(telephone);

            if (member == null) {
                //当前用户不是会员,自动完成会员注册
                member.setRegTime(new Date());
                member.setPhoneNumber(telephone);
                memberService.add(member);
            }
            //向客户端写入Cookie,跟踪用户,内容为手机号
            Cookie cookie = new Cookie("login_member_telephone", telephone);
            cookie.setPath("/"); //路径
            cookie.setPath("/");//路径
            cookie.setMaxAge(60*60*24*30);//设置保存时间为30天
            response.addCookie(cookie);

            //将会员信息转为json格式
            String json = JSON.toJSON(member).toString();
            //保存会员信息到Redis中,保存时间为30分钟
            jedisPool.getResource().setex(telephone, 60*30, json);

            return new Result(true, MessageConstant.LOGIN_SUCCESS);
        } else {
            //验证码输入错误
            return new Result(false, MessageConstant.VALIDATECODE_ERROR);
        }
    }
}
